Charmonium Productions: Nucleon-Nucleon versus Nucleus-Nucleus Collisions

Details Charmonium Productions: Nucleon-Nucleon versus Nucleus-Nucleus Collisions Charmonium Productions: Nucleon-Nucleon versus Nucleus-Nucleus Collisions

2005-04-27

arxiv.org/abs/nucl-th/0504076v2

Physics

Nuclear Physics

Nuclear Theory

Revised version, 17 pages

Scientific paper

Charmonium productions in $p-p$ and $A-B$ collisions have been estimated within the ambit of colour evaporation model (CEM). The model parameters have been fixed by fitting the theoretical results with CDF data. The method is then applied to RHIC and LHC energies to obtain the transverse momentum distributions of $J/\psi$, $\psi^{\prime}$ and $\chi_c$. Suppression due to Debye screening in a quark gluon plasma (QGP) is estimated at various centrality cuts. The final $p_T$ distributions of various resonances are then predicted convoluting with the survival probability.

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